Formica dachaidanensis Chang & He, 2002a: 53, figs. 22, 60 (w.) CHINA (Qinghai). Palearctic.

Primary type information: Primary type material: holotype worker. Primary type locality: China: Qinghai Prov., Dachaidan, 3020 m., 15.vi.1999, no. 99-207 (Y. Chang). Primary type depository: NUYC. Secondary type information: Secondary type material: 1 paratype worker. Secondary type locality: same data as holotype but no. 99-248. Secondary type depository: NUYC.